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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

    Paper Title:  A statistical method for estimating the level of IUU fishing: application to CCAMLR ... -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... there must have been at least one encounter with an FPV in a year; no encounters in a year are ... interpreted as zero IUU fishing. For each IUU incident detected by the FPV, a theoretical maximum time over ... FPV desde 2001 hasta 2004, no se ha detectado ninguna actividad INDNR, dando como resultado capturas ... in 1999 and 2000 no further incidents were recorded (Table 1). The method used here requires there ... was no increased probability of detection of an IUU vessel with increased overlap between the FPV ... than from licensed vessels, which would tend to lower the encounter rate. Unfortunately there is no ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Автор(ы): Agnew, D.J. and G.P. Kirkwood

  2. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

    Paper Title:  A composite recruitment index to describe interannual changes in the population ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... target net haul data can be included by using the composite recruitment index. This index is used to ... commercial fishery (Kawaguchi et al., 1998). However, to date there has been no information on the year-to ... spawning year, the status of 1993194 is less certain, because there is no datum for the RI estimation ... class structure observed in the Antarctic Peninsula and South Georgia. There is no recruitment data ... RECRUITMENT INDEX TO DESCRIBE INTERANNUAL CHANGES IN THE POPULATION STRUCTURE OF ANTARCTIC KRILL AT SOUTH ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Автор(ы): Watkins, J.L

  3. Calculation of indices of sea-ice concentration using digital images from the National Snow and Ice Data Centre

    of the distance of sea ice from CEMP sites, the northerly position of the sea ice edge, and the ... distributed by the National Snow and Ice Data Centre, Colorado, USA. Data consist of an image of the Antarctic ... , made up of 312x332 pixels, each having a dimension of 25x25km, for every day in the year. Primary data ... percentage ice cover in subareas, are entered into the CCAMLR database. Indices of ice cover are calculated ...

    Meeting Document : WG-EMM-95/11 : Автор(ы): Agnew, D.J.

  4. Krill population biology during the 1991 Chilean Antarctic krill fishery

    them had a TL larger than 45 mm. The size frequency distribution showed no significant differences ... Paper Title:  Krill population biology during the 1991 Chilean Antarctic krill fishery Abstract ... during krill fishing operations around the South Shetland Islands on board the Chilean factory vessel ... . The fishing ground was divided into two areas: Area A, north of the South Shetland Islands; and Area B ... distribution showed no significant differences between the three time periods. However, when the sex ... distribution of catches taken during the three different time periods showed no significant differences among ... WG-KRILL-92/33 KRILL POPULATION BIOLOGY DURING THE 1991 ... fishing operations around the South Shetland Islands on board the Chilean factory vessel Kirishima ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Автор(ы): Mujica R., A., E. Acuña S. and A. Rivera O.

  5. The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters

    Paper Title:  The use of analysis of penguin stomach contents in simultaneous study of prey and ... sensitive to the statistical assumptions made during the analysis of data. The nested ANOVA method is ... proposed as being the correct approach for analysis because lack of independence between krill specimens ... found in the stomach of a given penguin prevents the pooling of krill lengths from different samples ... WG-CEMP-89/16 THE USE OF ANALYSIS OF PENGUIN STOMACH ... Size selectivity of krill by penguins is shown to be highly sensitive to the statistical assumptions ... made during the analysis of data. The nested ANOVA method is proposed as being the correct approach ... for analysis because lack of independence between krill specimens found in the stomach of a given ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Автор(ы): Marschoff, E. and B. González

  6. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

    Paper Title:  Intra-annual variability in the density of Antarctic krill (Euphausia superba) at ... profilers (300 kHz) and echo sounders (125 kHz) were deployed on moorings on- and off-shelf to the northwest ... = 64.2). A sinusoidal regression model (period = 52 weeks) with time as the independent variable ... explained 64% of the observed week-to-week variation. Estimates of krill density from moored instruments ... 2003 due to the presence of large icebergs at the site, and no data were obtained between 29 April ... -minute intervals. No thresholds were applied to the data prior to echo integration. Finally, all unfi ... . 14 (2007): 27–41 27 INTRA-ANNUAL VARIABILITY IN THE DENSITY OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA ... ) and echo sounders (125 kHz) were deployed on moorings on- and off-shelf to the northwest of South ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

  7. SPATIAL AND TEMPORAL VARIATION IN ATTRIBUTES OF ADELIE PENGUIN BREEDING POPULATIONS: IMPLICATIONS FOR UNCERTAINTY IN ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF COUNTS

    adults, nests or chicks across several or many breeding sites, and the timing of these counts is often ... outside the control of researchers. Time series counts of Adelie penguin breeding population attributes ... (adults, nest and chicks) within the breeding period show considerable variability across space and time ... with date-specific correction factors to estimate the population attempting to breed at the beginning ...

    Meeting Document : WG-EMM-PSW-08/07 : Автор(ы): C. Southwell, J. McKinlay, R. Pike, D. Wilson, K. Newbery and L. Emmerson (Australia)

  8. Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula

    potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... Abstract:  Studies related to the abundance and reproductive distribution of marine birds have the ... world with some of the clearest signals of climate warming. The aim of this study was to monitor the ... penguin (Pygoscelis papua) in the northern sector of the Danco Coast, north-west of the Antarctic ...

    Meeting Document : WG-EMM-12/58 : Автор(ы): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)

  9. Correlation between krill and Champsocephalus gunnari stocks in the South Georgia Area 48.3

    C. gunnari. Search for the fish stocks covered all the traditional sites; this allowed observers to ... Abstract:  After almost a ten-year gap in fishing for Champsocephalus gunnari in the area of South ... Georgia and Shag Rocks, the Russian large-sized trawler ZAKHAR SOROKIN (the MOONZUND-type) attempted a ... determine a clear correlation between concentrations of adult fish and krill on the north-western shelf of ...

    Meeting Document : WG-EMM-99/27 : Автор(ы): K.V. Shust, V.L. Senioukov, P.N. Kochkin andN.A. Petrukhina (Russia)

  10. CEMP cameras data validation experiment at the Galindez Island gentoo penguins (Pygoscelis papua) colonies

    continuous observations every day of gentoo nests in the three sites where automatic time lapse cameras ... Abstract:  We inform on the results of data validation experiment provided for pictures from time ... lapse cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo colonies. During ... the 2017-2018 season biologists winterers at Vernadsky station, situated at Galindez Island, provided ...

    Meeting Document : WG-EMM-18/26 : Автор(ы): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy and L. Pshenichnov

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